Notice of Intent to Sole Source � AB Sciex LLC

NIH) intends to award a fixed price purchase order to AB Sciex LLC, located at 1201 Radio Rd, Redwood City, CA 94065, on a firm fixed price sole source award basis to provide service to the Sciex QTRAP 6500 mass spectrometer at the NIH CPL. SCIEX is the original equipment manufacturer (OEM) of the QTRAP 6500 mass spectrometer. Only SCIEX-certified engineers can service internal components, ensure firmware compatibility, and maintain the instrument�s warranty. Third-party vendors do not have access to proprietary parts, software patches, or SCIEX OS upgrades, and cannot ensure 48-hour on-site response times. SCIEX�s FlexPlan is the only service contract that: � Guarantees coverage for software, firmware, and hardware � Preserves instrument warranty � Provides regulatory-grade validation support � Ensures minimal downtime with guaranteed two-business-day response � Offers discounts on future upgrades and validation services This acquisition is being conducted using policies unique to the Federal Acquisition Regulation (FAR) Part 13 � Simplified Acquisition Procedures, Subpart 13.106-1(b)(1), For purchases not exceeding the simplified acquisition threshold (SAT), contracting officers may solicit from one source if the contracting officer determines that the circumstance of the contract action deem only one source reasonably available. Contracts awarded using FAR Part 13-Simplified Acquisition Procedures are exempt from the requirements of FAR Part 6-Competition Requirements. Interested parties may identify their interest and capabilities in response to this posting. The determination by the Government not to compete the proposed requirement based upon responses to this notice is solely within the discretion of the Government. Comments to this announcement, referencing this posting number, may be submitted to the NIH, Clinical Center, Office of Purchasing and Contracts, prior to the closing date specified in this announcement, to the attention of Kristin Nagashima, Contract Specialist via email to Kristin.nagashima@nih.gov by November 5, 2026 at 5pm EST.